CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 8,813	$ 10,618	$ 20,017	$ 12,479
Other comprehensive income (loss):
Change in net unrealized holding (losses) gains on available-for-sale securities and I/O strips	(640)	(556)	(1,489)	6,621
Deferred income taxes	186	161	433	(1,920)
Change in net unamortized unrealized gain on securities available-for-sale that were reclassified to securities held-to-maturity	(13)	(13)	(26)	(26)
Deferred income taxes	4	4	8	8
Reclassification adjustment for gains realized in income		(170)		(270)
Deferred income taxes		50		79
Change in unrealized (losses) gains on securities and I/O strips, net of deferred income taxes	(463)	(524)	(1,074)	4,492
Change in net pension and other benefit plan liability adjustment	283	75	372	150
Deferred income taxes	(84)	(22)	(113)	(44)
Change in pension and other benefit plan liability, net of deferred income taxes	199	53	259	106
Other comprehensive (loss) income	(264)	(471)	(815)	4,598
Total comprehensive income	$ 8,549	$ 10,147	$ 19,202	$ 17,077